Finding the Fourth Proportional to 29,121,690.70, 43,682,536.05 and 19,541,658.70
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Solution
The fourth proportional to 29,121,690.70, 43,682,536.05 and 19,541,658.70 is: 29,312,488.05
Step by Step Solution
- Step 1: Write the proportion equation
29,121,690.70 : 43,682,536.05 = 19,541,658.70 : x - Step 2: Convert to fraction form
29,121,690.70/43,682,536.05 = 19,541,658.70/x - Step 3: Cross multiply
29,121,690.70x = 43,682,536.05 × 19,541,658.70 - Step 4: Simplify right side
29,121,690.70x = 853,629,210,639,546 - Step 5: Solve for x
x = 853,629,210,639,546/29,121,690.70 - Step 6: Final answer
x = 29,312,488.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.